Robot Building for Beginners, Third Edition

CHAPTER 6 ■ ROBOT LINE-FOLLOWING Even with a basic design, a decent robot still isn’t particularly simple. There’s a lot to lear ...

CHAPTER 18 Adding Gearhead Motors In this chapter, we will select and install motors in the line-following robot circuit. You’ll ...

CHAPTER 6 ■ ROBOT LINE-FOLLOWING As long as there is enough contrast with the line, then it doesn’t matter what shade of floor y ...

CHAPTER 18 ■ ADDING GEARHEAD MOTORS Since speed decreases linearly with voltage, the 9 V RPM can be estimated as: (RPM nominal / ...

CHAPTER 6 ■ ROBOT LINE-FOLLOWING Warning: A mother contacted me regarding the difficulty of removing old tape from new hardwood ...

CHAPTER 18 ■ ADDING GEARHEAD MOTORS The Solarbotics motors aren’t the same shape and size as the Hsiang Neng motors. Therefore, ...

CHAPTER 6 ■ ROBOT LINE-FOLLOWING The better the surface contrast and the slower the robot’s pace, the steeper the turns the robo ...

CHAPTER 18 ■ ADDING GEARHEAD MOTORS Determining the Least Current (Best Case) The no-load current of the selected motor (after a ...

CHAPTER 6 ■ ROBOT LINE-FOLLOWING At the other extreme, large robots are usually heavy, requiring larger motors to move. Large mo ...

CHAPTER 18 ■ ADDING GEARHEAD MOTORS Determining the Actual Current (Average Case) The average current of the motor is going to b ...

CHAPTER 6 ■ ROBOT LINE-FOLLOWING Don’t be fooled or overwhelmed by it. This robot breaks down into smaller modules that are easi ...

CHAPTER 18 ■ ADDING GEARHEAD MOTORS Most diodes physically resemble resistors, but without the multiple color bands (see Figure  ...

CHAPTER 6 ■ ROBOT LINE-FOLLOWING When the switch is in the left position, the left motor is connected to the left sensors and th ...

CHAPTER 18 ■ ADDING GEARHEAD MOTORS diode rather than breaking down a path through another component. Schottky diodes have this ...

CHAPTER 6 ■ ROBOT LINE-FOLLOWING Placing the Robot on the Center of the Line When positioning the robot, the sensors should be c ...

CHAPTER 18 ■ ADDING GEARHEAD MOTORS Connecting the Diode in the Proper Orientation You must connect the cathode end of a diode ( ...

CHAPTER 6 ■ ROBOT LINE-FOLLOWING There are a number of reasons why a sensor adjustment dial is necessary. First, it would be ver ...

CHAPTER 18 ■ ADDING GEARHEAD MOTORS Testing the Motors Upon powering up the circuit, one motor should spin depending on which se ...

CHAPTER 6 ■ ROBOT LINE-FOLLOWING Two different colors were chosen so that you can tell which side is lit up even in the dark whe ...

CHAPTER 19 Wheels At this point, you have some wonderful motors that are only spinning themselves. In this chapter, you’ll be in ...